MLB.com's Carrie Muskat has been covering Major League Baseball since 1981 and is the author of "Banks to Sandberg to Grace: Five Decades of Love and Frustration with the Cubs." You can follow her on Twitter @CarrieMuskat. Here, she blogs about the Cubs.

8/21 Cubs lineup

Chris Rusin makes his Major League debut Tuesday night for the Cubs against the Brewers. The lefty will be the 16th rookie to play for the Cubs this year, and 10th player to make his ML debut this season on the team. Of the 16 rookies, he is the ninth rookie pitcher. The Cubs last had more than 10 players make their ML debut in the same season in 2010 when 11 did so, including 10 prior to Sept. 1. The nine rookie pitchers is the most in the NL and tied for fourth most in the Majors with the White Sox, trailing the Athletics (11), Tigers (10) and Blue Jays (10). Here’s the lineup:

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